Author Question: Careful observations of nearby normal and active galaxies reveal that the ass of the central black ... (Read 30 times)

LCritchfi · **on:** Jul 27, 2018

Careful observations of nearby normal and active galaxies reveal that the ass of the central black hole is well correlated with the mass of the galactic bulge. The ratio of bulge mass to black hole mass is roughly:

A) 1 to 2000.
B) 1 to 200.
C) 1 to 20.
D) 20 to 1.
E) 200 to 1.

Question 2

Procyon lies about 13 light years distant, thus its parallax is about:

A) 0.01.
B) 0.25.
C) 0.40.
D) 0.65.
E) 1.3.